Cheapest return flights from Seattle to Helsinki in January from 604€

AirHint found the following cheapest return flights from Seattle (SEA) to Helsinki (HEL) in January 2026 (see full year).

Return flights

07 Jan - 14 Jan Finnair
11 Jan - 18 Jan Finnair
12 Jan - 19 Jan Finnair
05 Jan - 12 Jan Finnair
10 Jan - 17 Jan Finnair
02 Jan - 09 Jan Finnair
09 Jan - 16 Jan Finnair
06 Jan - 13 Jan Finnair
04 Jan - 11 Jan Finnair
03 Jan - 10 Jan Finnair

Also check the deals for one-way flights from Seattle to Helsinki in January.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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